Table 1.
Demographic and psychometric characteristics for the patient and the control groups.
| Characteristics | SZa | HCb | Statistics | ||
|---|---|---|---|---|---|
| Demographic characteristics | M (SD) | M (SD) | t | p | |
| Age (years) | 40.6 (8.0) | 39.9 (7.7) | 0.32 | 0.074 (ns) | |
| Education (years) | 11.45 (2.3) | 14.0 (2.21) | 4.03 | <0.001 (s) | |
| Personal characteristics | n | n | |||
| Gender (M/F) | 14/10 | 14/13 | |||
| Handedness (R/L) | 23/1 | 25/2 | - | - | |
| Clinical characteristics | M | SD | |||
| Positive and Negative Syndrome Scale | |||||
| Positive component | 16.3 | 5.7 | |||
| Negative component | 23.0 | 6.3 | |||
| General component | 37.8 | 10.0 | |||
| Total component | 77.1 | 18.0 | |||
| Duration of illness (years) | 16.1 | 8.4 | |||
| Processing speed index | 82.3 | 8.9 | |||
| Treatment measures (mean daily) | |||||
| Chlorpromazine equivalents (mg) | 290 | 250 | |||
SZ, patients with schizophrenia; HC, healthy controls; s, significant; ns, non-significant.
an = 24, bn = 27.